How Much Paint Is Needed To Paint A Wall. Learn how to paint a light color over a previously painted dark wall. 1 litre of paint can cover 5 to 10 square metre of wall area.
Surface area of the surface(s) to be painted (excluding areas for example: Your project will go more smoothly if your project will go more smoothly if you find out how much paint you'll need before starting work on a room. You can't paint a wall that's got cracks and holes in it.
This is particularly important if the can has been sitting on a shelf for any length of time.
You'll also need to account for the fact that a satisfactory paint job usually requires at least two coats, particularly if you're painting a lighter color over a darker one. Calculate how much paint you will need for your project with the paint calculator from bunnings. Whether you're painting a powder room or the exterior of your house, the general rule of thumb is one gallon per 400 square feet, says carl minchew, vice president of color innovation and design at benjamin moore. It is more expensive in some areas of the country than it is.